Polyvinylidene chloride (PVC) membranes are specified by ASTM, NIOSH, and OSHA in air monitoring applications to analyze silica, carbon black, metals, quartz particulates and others.•Filters composed of pure medical-grade PVC •Use for air monitoring applications to analyze silica, carbon black or quartz particulates •Available in 5.0 µm filters Features & Benefits:•High-quality, medical-grade PVC polymer •PVC is non-hygroscopic, so humidity will not impact your gravimetric analysis Applications:Air Monitoring of Particulate Contaminants Including Silica, Metals, and Quartz